Ford Econoline 1997 — technical service bulletin
Bulletin BC0056972301 · NHTSA communication 51407 · issued Jan 23, 1997
Technical service bulletin
communication type
Engine and Engine Cooling
component
1997
model years
4
vehicle entries
Official summary
Some vehicles with air conditioning can exhibit a cold start accessory drive belt noise (chirp) concern. *jd
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.